2025 Compare Cities Climate:
Chicago, IL vs Petaluma, CA

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Highlights
- Petaluma has 22.0% less rainy days than Chicago.
- Petaluma has 37.6% more Sunny Days than Chicago.
- On the BestPlaces comfort index, Petaluma scores 20.0% better than Chicago
 Chicago, ILPetaluma, CAUnited States
 Rainfall  Unlock3038
 Snowfall35  Unlock28
 Precipitation  Unlock75106
 Sunny189  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index3.6  Unlock4.3
 Elevation  Unlock302443
Reviews for Chicago    270 Reviews

I've lived in Chicago city and later moved to suburbs when family size increased. Absolutely love this city. This is the cleanest and most beautiful among the major  More

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Chicago is probably the best value in a major city that you can find and my personal favorite city. It will become increasingly important as climate change makes the  More

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I've live on north side and south side, UIC medical center. Don't move here go to the north side. No good amenities, if you get bored with one there is no other choices.  More

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Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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